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Author corsa c20xe
Rigby
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Registered: 3rd Mar 16
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6th Jun 16 at 17:30   View User's Profile U2U Member Reply With Quote

i have a problem with my c20xe what it is if i leave it a day it will start first time but as soon as i try it again after i turned it off it doesnt even offer to start? also when it does start it has a terrible misfire? any help will be appreciated cheers
Tiger
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Registered: 12th Jun 01
Location: Nuneaton Drives:Audi A4 2.0TDi
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6th Jun 16 at 17:52   View User's Profile U2U Member Reply With Quote

Cam or Crank position sensor at a guess.
Rigby
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Registered: 3rd Mar 16
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6th Jun 16 at 19:05   View User's Profile U2U Member Reply With Quote

its got a new crank sensor and whats the cam sensor?
Tiger
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Registered: 12th Jun 01
Location: Nuneaton Drives:Audi A4 2.0TDi
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6th Jun 16 at 19:13   View User's Profile U2U Member Reply With Quote

Tells the ECU what position the pistons are in and the camshaft speed.
Rigby
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6th Jun 16 at 19:23   View User's Profile U2U Member Reply With Quote

where abouts in the engine its a dizzy?
Tiger
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Registered: 12th Jun 01
Location: Nuneaton Drives:Audi A4 2.0TDi
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6th Jun 16 at 19:37   View User's Profile U2U Member Reply With Quote

It's a small black plastic box sticking up out of the metal dizzy housing.
Rigby
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6th Jun 16 at 20:16   View User's Profile U2U Member Reply With Quote

You got a picture of what they look like mate
Tiger
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Registered: 12th Jun 01
Location: Nuneaton Drives:Audi A4 2.0TDi
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6th Jun 16 at 20:27   View User's Profile U2U Member Reply With Quote



I think it's the attached to the black plug to the front of the dizzy.
Rigby
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6th Jun 16 at 21:16   View User's Profile U2U Member Reply With Quote

How would you change that? And do you reckon that why my car is doing what it's doing? How much does it cost aswell mate?
Tiger
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Registered: 12th Jun 01
Location: Nuneaton Drives:Audi A4 2.0TDi
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6th Jun 16 at 21:29   View User's Profile U2U Member Reply With Quote

At a guess you'd have to unbolt the assembly and it'll be inside the dizzy housing. It could be contributing to your car not starting but it could be other things also. It's a starting point though if you say you've done your crank sensor.

I'd hazard a guess that they are around the 30 mark..
Rigby
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6th Jun 16 at 21:36   View User's Profile U2U Member Reply With Quote

How would you change that? And do you reckon that why my car is doing what it's doing? How much does it cost aswell mate?
Rigby
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6th Jun 16 at 21:37   View User's Profile U2U Member Reply With Quote

Could it be any other reason why this happening? Or do you reckon it will be just them two
Tiger
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6th Jun 16 at 21:44   View User's Profile U2U Member Reply With Quote

Hot start issues are normally crank or cam sensor issues I've found. I'd be looking at ruling those out first, just don't come beating my door down if it doesn't fix it

I read something about hot under bonnet temps can potentially evaporate fuel from fuel lines near inlets but I think it's far fetched.

I'd check your timing too whilst your swapping sensors.
Rigby
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6th Jun 16 at 22:02   View User's Profile U2U Member Reply With Quote

Haha I won't mate, what are hot start issues, I never let it get hot
Tiger
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7th Jun 16 at 05:44   View User's Profile U2U Member Reply With Quote

Starting your car at or near to its full operating temperature.
Rigby
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7th Jun 16 at 07:06   View User's Profile U2U Member Reply With Quote

It will always be cold when I start it
Nic Barnes
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7th Jun 16 at 09:34   View User's Profile U2U Member Reply With Quote

see where you say it doesn't offer to start, do you mean it won't crank over or it spins just won't fire up?
Rigby
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7th Jun 16 at 16:50   View User's Profile U2U Member Reply With Quote

its just doesnt offer just tuns and tuns never offers to start
Tiger
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Registered: 12th Jun 01
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7th Jun 16 at 17:17   View User's Profile U2U Member Reply With Quote

Is there a spark?
Rigby
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7th Jun 16 at 17:24   View User's Profile U2U Member Reply With Quote

yer theres a spark,fuel,compression, and timing is right
Tiger
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Registered: 12th Jun 01
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7th Jun 16 at 17:30   View User's Profile U2U Member Reply With Quote

fuel pressure issue?
Rigby
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7th Jun 16 at 17:35   View User's Profile U2U Member Reply With Quote

yes loads at the rail
Tiger
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Registered: 12th Jun 01
Location: Nuneaton Drives:Audi A4 2.0TDi
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7th Jun 16 at 18:15   View User's Profile U2U Member Reply With Quote

An engine needs fuel, spark and compression to run, you've got all of these so somewhere there's an issue with one of them. Is the spark strong enough. Could be a faulty ignition? After that, I'm at a loss.
Rigby
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Registered: 3rd Mar 16
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7th Jun 16 at 18:17   View User's Profile U2U Member Reply With Quote

changed the the dizzy and rotary arm all ready mate and the spark is pretty decent

 
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